Buggy code:
public class JsonModel { private static ObjectMapper objectMapper ; private Object jsonObject ; public JsonModel ( String json ) { } private JsonModel ( Object jsonObject ) { } private JsonModel ( InputStream jsonInputStream ) { } private JsonModel ( URL jsonURL ) throws IOException { } public Object getJsonObject ( ) { } @ SuppressWarnings ( { "unchecked" } ) public < T > T get ( String jsonPath ) { } @ SuppressWarnings ( { "unchecked" } ) public < T > T get ( JsonPath jsonPath ) { } public JsonModel . ArrayOps opsForArray ( String jsonPath ) { } public JsonModel . ArrayOps opsForArray ( JsonPath jsonPath ) { } public JsonModel . ObjectOps opsForObject ( String jsonPath ) { } public JsonModel . ObjectOps opsForObject ( JsonPath jsonPath ) { } public String toJson ( ) { } public String toJson ( String jsonPath ) { } public String toJson ( JsonPath jsonPath ) { } public JsonModel getSubModel ( String jsonPath ) { } public JsonModel getSubModel ( JsonPath jsonPath ) { } public JsonModel . MappingModelReader map ( String jsonPath ) { } public JsonModel . MappingModelReader map ( final JsonPath jsonPath ) { } public static JsonModel create ( String json ) { } public static JsonModel create ( Object jsonObject ) { } public static JsonModel create ( URL url ) throws IOException { } public static JsonModel create ( InputStream jsonInputStream ) throws IOException { } private static ObjectMapper getObjectMapper ( ) { } private < T > T getTargetObject ( JsonPath jsonPath , Class < T > clazz ) { notNull ( jsonPath , "jsonPath<seq2seq4repair_space>can<seq2seq4repair_space>not<seq2seq4repair_space>be<seq2seq4repair_space>null" ) ; if ( ! ( jsonPath . isPathDefinite ( ) ) ) { throw new IndefinitePathException ( jsonPath . getPath ( ) ) ; } JsonProvider jsonProvider = JsonProviderFactory . getInstance ( ) ; Object modelRef = jsonObject ; LinkedList < PathToken > tokens = jsonPath . getTokenizer ( ) . getPathTokens ( ) ; PathToken currentToken ; do { currentToken = tokens . poll ( ) ; <START_BUG> modelRef = currentToken . get ( modelRef , jsonProvider ) ; <END_BUG> } while ( ! ( tokens . isEmpty ( ) ) ) ; if ( modelRef . getClass ( ) . isAssignableFrom ( clazz ) ) { throw new InvalidModelPathException ( ( ( jsonPath + "<seq2seq4repair_space>does<seq2seq4repair_space>nor<seq2seq4repair_space>refer<seq2seq4repair_space>to<seq2seq4repair_space>a<seq2seq4repair_space>Map<seq2seq4repair_space>but<seq2seq4repair_space>" ) + ( currentToken != null ? currentToken . getClass ( ) . getName ( ) : "null" ) ) ) ; } return clazz . cast ( modelRef ) ; } public interface MappingModelReader extends JsonModel . ListMappingModelReader , JsonModel . ObjectMappingModelReader { } public interface ObjectMappingModelReader { < T > T to ( Class < T > targetClass ) { } } public interface ListMappingModelReader { < T > List < T > of ( Class < T > targetClass ) { } JsonModel . ListMappingModelReader toList ( ) { } < T > List < T > toListOf ( Class < T > targetClass ) { } < T > Set < T > toSetOf ( Class < T > targetClass ) { } } public interface ObjectOps { Map < String , Object > getTarget ( ) { } boolean containsKey ( String key ) { } JsonModel . ObjectOps put ( String key , Object value ) { } JsonModel . ObjectOps putAll ( Map < String , Object > map ) { } JsonModel . ObjectOps remove ( String key ) { } < T > T to ( Class < T > targetClass ) { } } public interface ArrayOps { List < Object > getTarget ( ) { } JsonModel . ArrayOps add ( Object o ) { } JsonModel . ArrayOps addAll ( Collection < Object > collection ) { } JsonModel . ArrayOps remove ( Object o ) { } JsonModel . ListMappingModelReader toList ( ) { } < T > List < T > toListOf ( Class < T > targetClass ) { } < T > Set < T > toSetOf ( Class < T > targetClass ) { } } private static class DefaultObjectOps implements JsonModel . ObjectOps { private Map < String , Object > opsTarget ; private DefaultObjectOps ( Map < String , Object > opsTarget ) { } @ Override public Map < String , Object > getTarget ( ) { } @ Override public boolean containsKey ( String key ) { } @ Override public JsonModel . ObjectOps put ( String key , Object value ) { } @ Override public JsonModel . ObjectOps putAll ( Map < String , Object > map ) { } @ Override public JsonModel . ObjectOps remove ( String key ) { } @ Override public < T > T to ( Class < T > targetClass ) { } } private static class DefaultArrayOps implements JsonModel . ArrayOps { private List < Object > opsTarget ; private DefaultArrayOps ( List < Object > opsTarget ) { } @ Override public List < Object > getTarget ( ) { } @ Override public JsonModel . ArrayOps add ( Object o ) { } @ Override public JsonModel . ArrayOps addAll ( Collection < Object > collection ) { } @ Override public JsonModel . ArrayOps remove ( Object o ) { } @ Override public JsonModel . ListMappingModelReader toList ( ) { } @ Override public < T > List < T > toListOf ( Class < T > targetClass ) { } @ Override public < T > Set < T > toSetOf ( Class < T > targetClass ) { } } private static class DefaultMappingModelReader implements JsonModel . MappingModelReader { private ObjectMapper objectMapper ; private Object model ; private DefaultMappingModelReader ( Object model ) { } @ Override public JsonModel . ListMappingModelReader toList ( ) { } @ Override public < T > List < T > of ( Class < T > targetClass ) { }

Fix:
modelRef = currentToken . apply ( modelRef , jsonProvider ) ;